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Code Issues Releases Activity

Implement proper attach/detach routines for ISA driver.

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This commit is contained in:
Alexander Motin 2009-02-18 20:42:42 +00:00
parent 26ea346865
commit 6a03316a2d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=188762
1 changed files with 56 additions and 6 deletions
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62
sys/dev/ata/ata-isa.c
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@ -59,16 +59,50 @@ static struct isa_pnp_id ata_ids[] = {
static int
ata_isa_probe(device_t dev)
{
struct resource *io = NULL, *ctlio = NULL;
u_long tmp;
int rid;
/* check isapnp ids */
if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
return ENXIO;
/* allocate the io port range */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_IOSIZE, RF_ACTIVE)))
return ENXIO;
/* set the altport range */
if (bus_get_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, &tmp, &tmp)) {
bus_set_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
rman_get_start(io) + ATA_CTLOFFSET, ATA_CTLIOSIZE);
}
/* allocate the altport range */
rid = ATA_CTLADDR_RID;
if (!(ctlio = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
ATA_CTLIOSIZE, RF_ACTIVE))) {
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
return ENXIO;
}
/* Release resources to reallocate on attach. */
bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID, ctlio);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID, io);
return (ata_probe(dev));
}
static int
ata_isa_attach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
struct resource *io = NULL, *ctlio = NULL;
u_long tmp;
int i, rid;
/* check isapnp ids */
if (ISA_PNP_PROBE(device_get_parent(dev), dev, ata_ids) == ENXIO)
return ENXIO;
/* allocate the io port range */
rid = ATA_IOADDR_RID;
if (!(io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0,
@ -103,13 +137,29 @@ ata_isa_probe(device_t dev)
ch->unit = 0;
ch->flags |= ATA_USE_16BIT;
ata_generic_hw(dev);
return ata_probe(dev);
return ata_attach(dev);
}
static int
ata_isa_detach(device_t dev)
{
struct ata_channel *ch = device_get_softc(dev);
int error;
error = ata_detach(dev);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_CTLADDR_RID,
ch->r_io[ATA_CONTROL].res);
bus_release_resource(dev, SYS_RES_IOPORT, ATA_IOADDR_RID,
ch->r_io[ATA_IDX_ADDR].res);
return (error);
}
static device_method_t ata_isa_methods[] = {
/* device interface */
DEVMETHOD(device_probe, ata_isa_probe),
DEVMETHOD(device_attach, ata_attach),
DEVMETHOD(device_attach, ata_isa_attach),
DEVMETHOD(device_detach, ata_isa_detach),
DEVMETHOD(device_suspend, ata_suspend),
DEVMETHOD(device_resume, ata_resume),